<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.js"></script>
</head>

<body>
    <div id="app">
        <input type="text" v-model="search">
        <ul>
            <li v-for="item of finallypersons" :key="item.id">姓名：{{item.name}}==== 年龄：{{item.age}}</li>
        </ul>
    </div>
    <script>
        Vue.config.productionTip = false;
        
        const vm = new Vue({
            el: "#app",
            data() {
                return {
                    search:"",
                    // 排序搜索最好不要动原数据，兴建一个对象存放

                    persons:[
                    { id: "001", name: "周杰伦", age: 19 },
                    { id: "002", name: "陈奕迅", age: 25 },
                    { id: "003", name: "周杰", age: 39 },
                    { id: "004", name: "陈冠希", age: 7 },
                    { id: "005", name: "谢坤", age: 22 },
                    { id: "006", name: "杨坤", age: 14 },
                    { id: "007", name: "谢霆锋", age: 11 },
                    ],
                    
                }
            },
            computed:{
                finallypersons(){
                    return this.persons.filter((item)=>{
                        return item.name.includes(this.search);
                    })
                }
            }
        })
</script>
</body>

</html>